Vulnerabilities > CVE-2021-45464 - Out-of-bounds Write vulnerability in Kvmtool Project Kvmtool
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 |
Common Weakness Enumeration (CWE)
References
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/